GOLDING,WIDDIS. (1987). ELECTRICAL MEASUREMENTS & MEASURING INSTRUMENTS 5 TH. A G WHEELER.
Lua i Stíl Chicago (17ú heag.)GOLDING,WIDDIS. ELECTRICAL MEASUREMENTS & MEASURING INSTRUMENTS 5 TH. ALLAHABAD: A G WHEELER, 1987.
Lua MLA (9ú heag.)GOLDING,WIDDIS. ELECTRICAL MEASUREMENTS & MEASURING INSTRUMENTS 5 TH. A G WHEELER, 1987.
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